KENNEDY SPACE CENTER, FLA. - At the SRB Assembly and Refurbishment Facility, STS-114 crew members look at booster separation motors (BSM) on an aft skirt that has had booster trowlable ablative removed by liquid nitrogen cutting. The astronauts are learning how the BSMs would be removed from the aft skirt. From left are Mission Specialist Wendy Lawrence; Commander Eileen Collins; Mission Specialist Andrew Thomas; Pilot James Kelly (background); and Mission Specialists Soichi Noguchi and Stephen Robinson. Noguchi is with the Japanese Aerospace and Exploration Agency. The crew is at KSC for familiarization with Shuttle and mission equipment. The STS-114 mission is Logistics Flight 1, which is scheduled to deliver supplies and equipment, plus the external stowage platform, to the International Space Station.